Thifensulfuron-methyl
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| General | |||||||||||||||||||
| Surname | Thifensulfuron-methyl | ||||||||||||||||||
| other names |
Methyl 3 - [(4-methoxy-6-methyl-1,3,5-triazin-2-ylcarbamoyl) sulfamoyl] thiophene-2-carboxylate |
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| Molecular formula | C 12 H 13 N 5 O 6 S 2 | ||||||||||||||||||
| Brief description |
white solid |
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| properties | |||||||||||||||||||
| Molar mass | 387.38 g mol −1 | ||||||||||||||||||
| Physical state |
firmly |
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| density |
1.58 g cm −3 |
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| Melting point |
176 ° C |
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| solubility |
sparingly soluble in water (2.24 g l −1 at 25 ° C) |
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | |||||||||||||||||||
Thifensulfuron-methyl is an active ingredient in crop protection and belongs to the class of sulfonylurea herbicides . It is a white solid.
history
Thifensulfuron-methyl was developed by DuPont and introduced in 1982.
effect
Thifensulfuron-methyl is a selective herbicide . The active ingredient acts as an inhibitor . The biosynthesis of the amino acids L-isoleucine and L-valine , i.e. essential amino acids , is inhibited . This inhibits cell division so that growth comes to a standstill and the weeds die.
use
It is mainly used against weeds in grain and soybean cultivation.
Environmental aspects
Thifensulfuron-methyl is chronic aquatic environment .
Admission status
In Germany , Switzerland and the EU , plant protection products that contain this active ingredient are approved .
Individual evidence
- ↑ a b c d e Entry on thifensulforon-methyl in the GESTIS substance database of the IFA , accessed on July 8, 2020(JavaScript required) .
- ↑ a b c data sheet Thifensulfuron-methyl from Sigma-Aldrich , accessed on July 8, 2020 ( PDF ).
- ↑ Entry on thifensulfuron-methyl in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on July 9, 2020. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ a b c d e Entry on Thifensulfuron-methyl. In: Römpp Online . Georg Thieme Verlag, accessed on July 8, 2020.
- ↑ General Directorate Health and Food Safety of the European Commission: Entry on thifensulfuron-methyl in the EU pesticide database ; Entry in the national directory of plant protection products in Switzerland ; accessed on July 10, 2020.